Pertanyaan

Simpangan rata-rata dari data 9,7,4,8,8,6 adalah ....

1,17
1,33
2,33
5,83
7,00

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$X with rightwards harpoon with barb upwards on top equals fraction numerator j u m l a h space d a t a over denominator b a n y a k space d a t a end fraction s i m p a n g a n space r a t a minus r a t a space S R equals fraction numerator sum from i equals 1 to n of vertical line x subscript i minus X with rightwards harpoon with barb upwards on top over denominator n end fraction S R equals fraction numerator vertical line 9 minus 7 vertical line plus vertical line 7 minus 7 vertical line plus vertical line 4 minus 7 vertical line plus 2 vertical line 8 minus 7 vertical line plus vertical line 6 minus 7 vertical line over denominator 6 end fraction equals 8 over 6 equals 4 over 3 equals 1 comma 33$